A superhero is a fictional character who possesses extraordinary abilities or powers, often used to protect the public and fight against evil. These characters are commonly found in comic books, movies, and television shows. Superheroes often have a distinct costume and a secret identity, which helps them maintain a normal life while battling villains. Many superheroes are associated with specific themes, such as justice, courage, and sacrifice. Popular examples include Superman, Spider-Man, and Wonder Woman. They often work alone or as part of a team, like the Avengers or the Justice League, to confront threats and save the day.